1065 results about "Projection system" patented technology

The invention discloses a holographic projection system based on an AI large model. According to the invention, through the nano-scale optical coating and environment self-adaptive adjustment technology, harmful blue light is effectively filtered, environment light parameters are dynamically matched, the problem that eyes are injured by a common screen is solved, and the method is especially suitable for long-time learning scenes of children. The holographic projection core module adopts a naked eye 3D light field technology, presents complex models such as dinosaur, marine organisms and the like in a three-dimensional suspension manner through high-fidelity color restoration and dynamic depth-of-field adjustment capability, and is matched with gesture touch control and voice instructions of multi-mode interaction hardware, so that a user can directly touch a virtual object, and the real-time performance of the virtual object is improved. Experience upgrading from plane observation to space interaction is achieved, and knowledge such as English learning and animal and plant cognition is converted into interactive games and story narration through virtual teacher images and scene scripts. The autistic children can complete social dialogue training under the guidance of the virtual role, the system analyzes emotion fluctuation in real time and adjusts a guidance strategy, and social fear is gradually eliminated.

The embodiment disclose a wearable augmented reality eyewear system including a frame supporting left and right transparent lenses. A plurality of outward-facing cameras mounted on the frame have overlapping fields of view for capturing real-time images of the environment. A plurality of inward-facing cameras integrated in the frame or lenses detect pupil size, pupil dilation, and gaze direction using infrared imaging. A digital processor analyzes gaze direction and fixation based on virtual grid coordinates, initiates an object or person recognition routine using images from the outward-facing cameras, and compares detected features with records in a database. At least one lens includes an AR projection system embedded therein and configured to superimpose data about the recognized object or person in the user's field of view. An audio speaker positioned near the user's ear outputs related audio. A wireless communication module enables real-time data exchange with a cloud-based platform.

A kaleidoscopic laser beam projector (KLBP) system that employs a single moving structure to project patterns of sweeping laser beams with diverse sweep directions and emission apertures. The system comprises a collimated light source, a spinning mirror deflector (“spindle / flutter mirror”) at the center, and a stationary kaleidoscopic mirror containing multiple facet mirrors arranged in a concave fashion around the spindle mirror. As the spindle mirror rotates, it directs laser beams in a radially whirling movement toward the facet mirrors, which then subdivide these beams into multiple short strokes and redirect them outward in different directions. Various embodiments include configurations with diffractive optical elements (DOEs) for beam splitting, different kaleidoscopic mirror geometries (hexagonal, octagonal, etc.), and innovative flutter mirror mechanisms that create controlled angular variations during rotation. The system enables a “4×1” configuration that replaces traditional “4×4” systems requiring eight motors and multiple moving structures. The KLBP system offers significant advantages including mechanical simplicity, reduced size and weight, improved energy efficiency, enhanced reliability, cost-effectiveness, and modular configurability. The diverse beam incidence angles enable superior illumination of complex three-dimensional objects for applications in machine vision systems, precision metrology, gap and flushness inspection, and robot-assisted assembly of complex structures.

The disclosure relates to augmented reality devices based on a curved waveguide. An augmented reality device is provided. The augmented reality device includes a projection system to project an undistorted image, an input optical compensator located on the path of light rays out-coupled from the projection system, a curved waveguide comprising an input diffractive optical element and an output diffractive optical element. The output diffractive optical element performs the function of an output optical compensator that converts the light beams of a distorted image at the output of the waveguide into parallel light beams to output an undistorted image. Augmented reality glasses comprising an augmented reality device are also proposed. There is provided the ability to project a virtual image without aberrations, distortions and doubling of the image.

The present disclosure relates to a motor vehicle, including a projection system having at least one first and at least one second projection device. The at least one first projection device has at least one first light source and the at least second projection device has at least one second light source, where at least one first light projection can be projected into surroundings of the motor vehicle by the at least first projection device. The at least first light projection defines an actual position of the stationary motor vehicle, and at least one second light projection can be projected into surroundings of the motor vehicle by the at least second projection device. The at least second light projection defines a target position defining a parking position of the motor vehicle. The at least second projection device can be set by the user to change the target position. A deviation between the actual position and the target position can be determined via a detection device. Depending on the determined deviation, control parameters for performing an autonomous driving maneuver, in the context of which the motor vehicle can be maneuvered autonomously into the parking position, can be determined via a control device.

Provided are a display panel and a manufacturing method therefor, and a projection system. The display panel comprises: a first substrate; a second substrate arranged opposite to the first substrate; a liquid crystal layer, arranged between the first substrate and the second substrate; a reflective layer, arranged on the side of the first substrate facing the second substrate; and a metasurface light-splitting structural layer, arranged on the side of the reflective layer away from the first substrate, wherein the metasurface light-splitting structural layer comprises a plurality of metasurface light-splitting units that are periodically arranged, at least one metasurface light-splitting unit comprises a plurality of metasurface light-splitting and converging structures, and each metasurface light-splitting unit is configured to: split white light reflected by the reflective layer into a plurality of pieces of monochromatic light, and by means of the metasurface light-splitting and converging structure, converge the plurality of pieces of monochromatic light into an area where a plurality of subpixels of the display panel are located.

The invention relates to the technical field of optics, in particular to a projection lens, a projection system and electronic equipment. The projection lens comprises a first lens group, an aperture diaphragm and a second lens group which are sequentially arranged from a projection surface to an image source surface along an optical axis, the first lens group has negative focal power, and the second lens group has positive focal power; the first lens group consists of a first lens, a first sub-lens group and a diaphragm front lens which are sequentially arranged from a projection surface to an image source surface along an optical axis; the first sub-lens group comprises at least one lens with negative focal power; the first lens and the diaphragm front lens respectively have positive focal power, and the first sub-lens group has negative focal power; the second lens group consists of a diaphragm rear lens and a second sub-lens group which are sequentially arranged from the projection surface to the image source surface along the optical axis; the second sub-lens group has positive focal power and comprises a group of balsaming lenses with positive focal power, and the diaphragm rear lens has negative focal power. The focusing range of the projection lens is larger than or equal to 500 mm.

The invention discloses a phase deflection measurement method and device based on four-step phase shift, and belongs to the technical field of computer vision and precision measurement, and the method comprises the steps: S1, classifying patterns needing to be projected according to types, and fusing the patterns into a color image; s2, sequentially projecting color images, and simultaneously collecting a pattern modulated and reflected by an object to be measured to obtain a reflection pattern; s3, carrying out channel separation processing on the reflection pattern, recovering the reflection pattern into an original grey-scale map, and respectively obtaining all phase patterns and Gray code patterns in the horizontal direction and the vertical direction; s4, performing phase calculation and Gray code auxiliary positioning according to the phase pattern and the Gray code pattern to obtain an absolute phase; and S5, mapping the absolute phase into a depth value, and recovering the three-dimensional shape of the surface of the object to be measured in combination with calibration parameters of a camera-projection system. The time of each measurement period is shortened, the system delay in the projection and acquisition process is reduced, and the real-time response capability of the whole set of detection system is improved.

A method of generating a compressed data stream from an uncompressed data stream with red, green and blue sub-streams of red, green and blue colour values of an image, comprising, for each of a number of sub-interval which together form a time interval: Determining, in each sub-stream, at least N−1 sets of successive equal colour values and run-lengths indicating the numbers of colour values in the sets; and generating a data packet composed of one colour value from each set and their respective run-lengths; which data packet forms the compressed data stream for said time interval. Further disclosed is a projection system using this method.

The arrangement comprises a projection system (22) for microlithography and a wall element (28) for thermally shielding the projection system (22) from an illumination system (10). The projection system (22) has an object field that can be illuminated by the illumination system (10) and optical elements (M1-M6) for imaging the object field onto an image plane (21). The wall element (28) also includes a passive shielding surface element (30) arranged in a transition region between a last beam section (41) of the illumination system (10) and a first beam section (42) of the projection system (22). According to the invention, the arrangement further comprises an active cooling element (31) positioned in the transition region, with a cooling surface (32) that extends at least partially along a surface area of ​​the passive shielding surface element (30).The active cooling element positioned in the transition area can significantly reduce the rate of change of the heat flow from the lighting system to the projection system.

The present application provides a kind of rough rolling process strip explicit plate shape online visual detection system and method, the present application system includes strip detection system, grating light grid structured light projection system, image acquisition system, distance adjustment system and image processing system;When strip enters hot detector detection range, transmission signal triggers grating light grid structured light projection system and image acquisition system start working;Image acquisition system is used to transmit the image information collected to image processing system in real time;Distance adjustment system is used to adjust the distance between grating light grid structured light projection system and image acquisition system.Image processing system is used to process the image transmitted by image acquisition system in real time, obtains the three-dimensional profile of strip, obtains the two-dimensional curve of strip in XOY coordinate system and the two-dimensional curve in YOZ coordinate system, and then discriminates the degree and type of strip buckling head and camber.

The utility model discloses a replaceable pin type coding mark point for a laser projection positioning system, which belongs to the technical field of laser projection and comprises a target and a positioning pin which are detachably and fixedly connected with each other, and the target is further provided with a coding reference point suitable for being identified by the laser projection positioning system. According to the embodiment of the utility model, the target and the positioning pin are detachably connected, only one set of target and one set of positioning pins with different diameters need to be prepared, and flexible assembly can be carried out according to the size of a datum hole in a workpiece and a required coding reference point during use, so that the number of spare parts is reduced, and the use cost is saved. And meanwhile, high-efficiency and high-precision adaptation to datum holes with different diameters is realized, so that a projection system can identify coding standard points, and the aim of aligning a coordinate system of a CAD model corresponding to a workpiece object is realized.

The application relates to the field of Bluetooth communication technology and discloses a wireless screen projection method and system integrating Bluetooth control and power supply management, which comprises the following steps: a sending end device adds a preset time delay to a Bluetooth data packet response according to an energy state of the sending end device; a receiving end device decodes the energy state by measuring the difference between a round-trip response time and a reference value, and performs screen projection strategy adjustment and negotiation in cooperation when a condition is met. The application encodes the energy state into a Bluetooth communication timing sequence, realizes endogenous perception and adaptive adjustment of a power supply state of a screen projection system, fundamentally solves the screen projection interruption problem caused by energy state disconnection in a traditional scheme, ensures smooth and non-perceptual picture quality switching through a bidirectional negotiation mechanism, and significantly improves the reliability and user experience of wireless screen projection.

The invention relates to the technical field of dead pixel detection and compensation of a digital light processing projection system, in particular to a DLP dead pixel calibration and compensation method and system based on a Transform attention mechanism. According to the DLP dead pixel calibration and compensation method based on the Transform attention mechanism, a multi-scale feature pyramid is constructed, global features are extracted by using a layered multi-mode Transform encoder, and a dead pixel confidence coefficient heat map is generated in combination with a dynamic sparse mask multi-head attention mechanism; dynamically selecting compensation strategies for different types of dead pixels by adopting a dead pixel type-scene demand dual-drive time-space domain compensation pipeline; ambient light and partition temperature sensor data are integrated, and the influence of optical crosstalk and thermal drift is eliminated through a brightness adaptive calibration function; and finally, carrying out closed-loop verification and iterative optimization by adopting a loss function fused with HVS perception loss. According to the method, the defective pixel detection precision is improved from 82.3% to 99.2%, the PSNR after compensation is improved from 32.6 dB to 42.5 dB, the processing delay is reduced to 7ms / frame, and the visual quality and reliability of a DLP system are improved.

Systems and methods for depth estimation are provided. According to some embodiments, a method may comprise: (1) generating, based on range sensor data, a representation of a scene of an environment; (2) calculating, from the range sensor data, range sensor uncertainty of one or more points of the representation; (3) generating depth data by projecting the representation onto a 2D image plane; (4) generating blurred depth data by projecting the range sensor uncertainty onto the depth data; and (5) deriving a depth map for an image of the scene based on the blurred depth data.

The invention relates to the technical field of three-dimensional scanning measurement, and discloses a three-dimensional scanning measurement method and device and an unmanned aerial vehicle system, and the method comprises the following steps: 1, obtaining multi-modal data which is obtained through a sensor assembly comprising at least one laser radar sensor and one image sensor; step 2, during the period of acquiring the multi-modal data, acquiring the multi-modal data based on at least one preset criterion; step 3, constructing a space-time diagram according to the acquired multi-modal data; 4, processing the space-time diagram by adopting a diagram attention network; and 5, generating a three-dimensional semantic model based on a semantic segmentation result. According to the invention, the operation parameters of the sensor assembly are adaptively adjusted based on the preset data during the multi-modal data acquisition period, especially for an adaptive waveform and multispectral laser radar sensor and an active structured light projection system, the quality and information richness of original data in a complex and dynamic environment can be significantly improved.

A projection system stores virtual space configuration information indicating a configuration of objects defined in a virtual target space representing a real target space. The projection system detects a real human shown in an image taken by a real camera installed in the real target space, and estimates a three dimensional pose of the real human based on the image. Then, the projection system projects a virtual human having the three dimensional pose and representing the real human onto the virtual target space. In addition, the projection system performs an action estimation process that estimates an action of the real human in the real target space by estimating an action of the virtual human in the virtual target space based on a relationship between the virtual human having the three dimensional pose and the configuration of the objects in the virtual target space.

The invention relates to the technical field of light and shadow projection, in particular to an intelligent dynamic light and shadow projection system and a control method thereof. The method comprises the following steps: acquiring a current scene image based on a camera in a projection lamp, and performing scene topological structure analysis and scene semantic representation adaptation to generate real-time scene semantic representation; performing user illumination intention analysis according to the current scene image, and performing depth scene illumination demand prediction based on real-time scene semantic representation so as to obtain illumination demand prediction features; identifying a user projection instruction based on an IC chip in the projection lamp; performing target light and shadow effect modulation calculation according to the user projection instruction so as to generate a target light and shadow effect modulation parameter; and multi-target parameter constraint solution is carried out based on the illumination demand prediction features, so that optimal solution parameters of dynamic light and shadow projection are obtained. Parameters are adjusted through real-time scenes and user behaviors, and the projection visual effect and the scene response capability of the projection lamp are improved.

The invention discloses an intelligent frameless full-projection down lamp system based on an adjustable light emitting angle, and relates to the technical field of light adjustment of projection down lamps, the intelligent frameless full-projection down lamp system comprises a lamp shell, a reflection cup cover, a lamp panel assembly and spring buckles, the reflection cup cover is slidably connected in the lamp shell, the lamp panel assembly is arranged in a through hole in the inner side of the reflection cup cover, and the spring buckles are symmetrically installed on the back side of the lamp shell; the lamp panel assembly comprises an integrated LED lamp panel and a lantern ring arranged on the back side of the integrated LED lamp panel. The deflection column and the loop bar mechanism are innovatively combined and linked with the reflection cup cover, precise control over the projection direction and flexible adjustment of the light coverage range are achieved, the system is cooperatively controlled through multiple driving assemblies, multi-dimensional optical adjustment is achieved under the constraint of a frameless structure, and the system is suitable for large-scale popularization and application. And meanwhile, the heat dissipation problem in a compact space is solved through the integrated heat dissipation fin sleeve, and a brand new solution is provided for an intelligent illumination and projection system.

A localized sound projection system can coordinate the sounds of speakers to simulate the placement of an auditory cue in a 3D space. The system can include a plurality of speakers configured to output auditory signals and a sound localization controller configured to control the plurality of speakers to coordinate the auditory signals to simulate an origination location of a patient alarm. The sound localization controller can determine adjusted auditory signals and control a plurality of speakers to output the plurality of adjusted auditory signals. A method for dynamically controlling speaker settings in a medical environment can include determining volume settings corresponding to a speaker, monitoring a level of ambient noise corresponding to a room of a patient, controlling the volume settings of the speaker to reduce or increase a sound level output of a speaker. A patient monitoring system can be configured to physically manipulate medical devices in response to audible commands. The system can receive a plurality of vocal commands from a user and can manipulate various settings after confirmation from a user.

The utility model provides a novel atmosphere projection system, which comprises a shell, a light path channel is formed in the shell, a light beam generator used for emitting dynamic pattern light beams, a dodging sheet and at least one condensing lens are arranged in the light path channel, the condensing lens comprises one of a Fresnel lens, a plano-convex lens and a convex lens, and the Fresnel lens, the plano-convex lens and the convex lens are arranged in the shell. The dodging sheet and the condensing lens are sequentially arranged on a light beam path of the light beam generator, and pattern light rays emitted by the light beam generator sequentially pass through the dodging sheet and the condensing lens to form soft image projection. The light effect can be improved through scattering blurring and focusing of light beams, the soft feeling of the transition edge of the generated pattern is better, and the original shape of the dynamic pattern is reserved while the lamplight atmosphere feeling is improved.

An outdoor lighting and projection system that includes a light fixture device and a projector device is disclosed. The light fixture device comprises a display device integrated with a yard stake and a solar panel for absorbing solar power (i.e., solar energy) to illuminate the display. The projector device features a projector system pivotally coupled to a first arm and a second arm via hinge (i.e., pivotal) brackets, enabling for tilting, panning, and ground installation. An internal memory includes premade slides and messages for display by the display device and projection by the projector system. The system includes a wireless module for remote control via a mobile application and an AC to DC adaptor for external power supply. The system is configured for remote operation and provides different projection and illumination.

The invention provides a projection device and a projection system, and relates to the technical field of projection, the projection device comprises a mounting seat and light-emitting components, the light-emitting components are mounted on the mounting seat, the light-emitting components are arranged in multiple rows, and the multiple light-emitting components in each row of light-emitting components are arranged at intervals along a first direction; the light-emitting assembly comprises a heat sink part, the heat sink part is installed on an installation base, the heat sink part has a first size in the first direction, and the heat sink part has a second size in the second direction; the first direction and the second direction intersect with each other; the first size is smaller than the second size and larger than the maximum distance between the two adjacent light-emitting assemblies in the first direction. The light-emitting part is installed on the side, away from the installation base, of the heat sink part. According to the projection equipment and the projection system provided by the invention, the shape and arrangement of the heat sink piece in the light-emitting assembly are improved, so that the miniaturization and integration degree of the laser can be improved.

The embodiment of the invention provides a photovoltaic power generation prediction system and method for a virtual power plant, and belongs to the field of photovoltaic power generation prediction, and the system comprises a distributed database module which provides API interface real-time query and batch loading; the load prediction module is used for performing corresponding load prediction by adopting load prediction models corresponding to different prediction time periods, and displaying a load prediction result through an irradiance netting projection system; the photovoltaic prediction module is used for performing corresponding photovoltaic power prediction by adopting photovoltaic power prediction models corresponding to different prediction intervals, and displaying photovoltaic power prediction results of multiple groups of stations; and the optimization module is used for carrying out error analysis on the prediction result, optimizing the prediction model and dynamically updating the prediction result. The precision of the photovoltaic power generation prediction result is improved, the photovoltaic power of multiple stations can be predicted in parallel, the load prediction result can be visually displayed through the irradiance netting projection system, and the purpose of dynamically updating the prediction result is achieved through error analysis and optimization.

The invention discloses an interactive projection system and method based on structured light perception and image anti-distortion, and relates to the technical field of interactive projection, and the method comprises a structured light perception module which is used for obtaining a projection plane depth image and an object image in a projection area; the projection modeling and object recognition module is used for constructing a change relation from a plane coordinate to a three-dimensional world coordinate according to the projection plane depth image, and recognizing object state data according to the object image; the image control and projection display module is used for determining an original image according to the object state data; the image anti-distortion processing module is used for performing pre-transformation processing on the original image based on the grid model and the projection device parameters to generate an anti-distortion image; and the image control and projection display module is also used for projecting the anti-distortion image to the projection area in real time. The interactive experience and the projection effect can be remarkably improved.

The invention relates to the technical field of holographic interaction, in particular to a progressive response system and method for holographic interaction content. The method specifically comprises the steps that 360-degree stereoscopic image presentation is achieved through a four-dimensional grid projection structure and a dynamic splicing algorithm, an intelligent interaction center and multi-mode perception are integrated, voice and gesture parallel recognition and natural interaction are supported, a local + cloud collaboration mechanism is adopted, an edge end lightweight model rapidly generates a preliminary response, and the preliminary response is output in real time through a projection system; meanwhile, the complete data are uploaded to a cloud large model for deep processing, and smooth visual transition and resource optimization are achieved through Alpha mixing and dynamic content management; a user can generate a three-dimensional virtual image through a user-defined role template, the three-dimensional virtual image is mapped to a projection system after being rendered, and dynamic holographic presentation is achieved in combination with spatial pose information. Through multi-modal input fusion, a progressive response strategy and a real-time rendering technology, the interaction efficiency and the degree of freedom are remarkably improved.

The invention relates to computer aided design, and discloses a Braille printing method and system combined with 3D relief, and the method comprises the steps: carrying out the connection and fusion of a concave-convex topographic map and a multi-level depth map corresponding to each Braille dot matrix, and generating a dual-channel depth map as a printing pattern; controlling the 3D printing system to spray resin on the printing substrate based on the printing pattern read by the light field modulator, and scanning the surface of the resin by laser aiming at the braille dot matrix area to form a concave-convex structure corresponding to the concave-convex topographic map; on the adjacent side of the braille dot matrix area, a multi-wavelength DLP projection system is used for executing layered exposure, the embossment structure represented by the multi-level depth map is projected to the resin layer, and an embossment model is formed; and performing global curing on the whole printed piece based on ultraviolet light to form an integrated finished product of braille alphabets and 3D embossments. The invention further discloses a computer readable storage medium. The method aims at efficiently manufacturing seamless and high-precision multi-layer 3D embossment integrated finished products of braille alphabets and related semantics.

The invention discloses a photoetching technology implementation method with a large exposure field, a chip-level chip interconnection method and photoetching equipment. The photoetching technology implementation method with the large exposure field is applied to photoetching equipment, the photoetching equipment comprises a projection system with a reduction ratio of 0.1-2.5 times, and the method comprises the following steps: loading a to-be-exposed substrate with a pattern on an objective table, aligning through an alignment mark on the substrate, and offsetting a set offset distance; executing first exposure, and transferring a preset pattern of the mask to a first exposure area of the substrate through a projection system; the substrate or the mask plate is transversely stepped by M times of the transverse size of the original pattern unit or longitudinally stepped by N times of the longitudinal size of the original pattern unit, second exposure is executed, and the preset pattern is transferred to a second exposure area of the substrate through the projection system; and continuously executing transverse stepping or longitudinal stepping and second exposure until the exposure of the target area on the substrate is completed. According to the scheme, a large-size exposure field can be formed, and high-density interconnection of integrated circuits is realized.

The invention provides a projection device and a projection system, and relates to the technical field of projection, the projection device comprises a mounting seat and light-emitting assemblies, the light-emitting assemblies are mounted on the mounting seat, the light-emitting assemblies are arranged in multiple rows, and the multiple light-emitting assemblies in each row are arranged at intervals; in the multiple light-emitting assemblies located in the same row, the light-emitting assemblies with the same light-emitting color are arranged in series. In at least one row of the plurality of rows of light-emitting components, the plurality of light-emitting components comprise a first light-emitting component and a second light-emitting component with two different light-emitting colors; the first light-emitting assemblies and the second light-emitting assemblies are located in the same row, at least one first light-emitting assembly is located between the two second light-emitting assemblies, and / or at least one second light-emitting assembly is located between the two first light-emitting assemblies. According to the projection equipment and the projection system provided by the invention, the color cast problem of the projection picture can be alleviated, and the display effect of the projection picture is ensured.

The invention relates to the technical field of Bluetooth communication, and discloses a wireless screen projection method and system integrating Bluetooth control and power supply management, and the method comprises the steps: transmitting end equipment adds preset time delay for Bluetooth data packet response according to the energy state of the transmitting end equipment, and receiving end equipment decodes the energy state by measuring the difference between round-trip response time and a reference value, and when the conditions are met, screen projection strategy adjustment negotiation is initiated and then cooperative execution is performed. According to the method, the energy state is encoded into the Bluetooth communication time sequence, so that endogenous perception and self-adaptive adjustment of the screen projection system on the power supply state are realized, the problem of screen projection interruption caused by energy state loss in a traditional scheme is fundamentally solved, and meanwhile, smooth and non-perception of image quality switching is ensured through a bidirectional negotiation mechanism, and the user experience is improved. And the reliability of wireless screen projection and the user experience are remarkably improved.